USPTO Patents Application 09987977

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PATENT ABSTRACTS OF JAPAN

(1 1 )Publication number : 07-049483
(43)Date of publication of application : 21.02.1995

(SDlntCi." G02F 1/1333

(21) Application number : 05-214869 (71)Applicant : KANEGAFUCHI CHEM IND CO

LTD

(22) Date of filing : 06.08.1 993 (72)lnventor : YOSHIDA KEIICHI

MATSUMOTO KENJI
FUJII SADAO

(54) LIQUID CRYSTAL DISPLAY ELEMENT

(57)Abstract:

PURPOSE: To provide a highly reliable liquid crystal
display element having less deterioration of display
characteristic, increase the degree of freedom in
selection of polymer liquid crystal material and solvent,
and facilitate the manufacture by using an insulating
inorganic thin film as a barrier film material to be formed
on a polymer film base.

CONSTITUTION: In a liquid crystal display element in
which a polymer liquid crystal material 9 is interposed
between a pair of polymer film bases 10, 11, the polymer
film bases 10, 1 1 are formed of polymer films 1, 2,
insulating inorganic thin films 3, 4 and conductive
inorganic thin films 5. 6. As the insulating inorganic thin
films 3, 4 as barrier films, silicon oxides and silicon
aluminium compounds are given. As the silicon
compound, SiOx (x=1 .0-2.0) is preferably used, and as
the silicon aluminium compound, SiAION and SiAIN are
preferably used. They are formed by means of vacuum
evaporation, spattering, or ton plating. As the conductive
oxide ITO and tin oxide Sn02 are used.

LEGAL STATUS

[Date of request for examination]

[Date of sending the examiner's decision of

rejection]

[Kind of final disposal of application other than
the examiner's decision of rejection or
application converted registration]
[Date of final disposal for application]
[Patent number]
[Date of registration]

[Number of appeal against examiner's decision
of rejection]

[Date of requesting appeal against examiner's

inorganic thin films 5, 6, indium-tin

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